Which action best demonstrates the transformation of mechanical energy to heat energy and sound energy? (10 points) 1. stretching a string

2. squeezing a sponge ball

3. throwing a ball upwards in the air

4. striking a hammer on a nail

Answer

I believe it would be 4. striking a hammer on a nail.

Explanation

I think it is 4 because hitting a hammer on a nail will cause a bit of heat to form as you continue to strike, and there is the sound you will hear as well

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

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